//
//  MyShareRecommendViewController.m
//  suRead
//
//  Created by Kobe LI on 16/4/23.
//  Copyright © 2016年 bao. All rights reserved.
//

#import "MyShareRecommendViewController.h"
#import "MyWelfareViewController.h"

//#import "QRCodeGenerator.h"
#import "ShareService.h"
#import "AccountManager.h"

#import "UIImageView+WebCache.h"


@interface MyShareRecommendViewController ()

@property (weak, nonatomic) IBOutlet UIView *iconView;
@property (weak, nonatomic) IBOutlet UIImageView *iconImageView;

@property (weak, nonatomic) IBOutlet UILabel *codeLable;

@property (weak, nonatomic) IBOutlet UIView *qRcodeView;
@property (weak, nonatomic) IBOutlet UIImageView *qRcodeImageView;

@end

@implementation MyShareRecommendViewController

- (IBAction)back:(id)sender {
    [self.navigationController popViewControllerAnimated:YES];
    [self dismissViewControllerAnimated:YES completion:nil];
}

/**
 *  分享给好友
 *
 *  @param sender
 */
- (IBAction)share:(id)sender {
    NSString *shareUrl_ = [AccountManager sharedAccountManager].f_eliminate;
    NSString *title_ = @"我的福利";
    [ShareService share:self url:shareUrl_ title:title_ image:@"" completion:nil];
}

/**
 *  获取福利
 *
 *  @param sender
 */
- (IBAction)goToMyWelfare:(id)sender {
    
    UIStoryboard *personalCenterStoryBoard = [UIStoryboard storyboardWithName:@"PersonalCenter" bundle:[NSBundle mainBundle]];
    MyWelfareViewController *controller = [personalCenterStoryBoard instantiateViewControllerWithIdentifier:@"MyWelfareViewController"];
    [self.navigationController pushViewController:controller animated:YES];
}

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    
    [self.iconImageView sd_setImageWithURL:[NSURL URLWithString:[AccountManager sharedAccountManager].f_user_img] placeholderImage:[UIImage imageNamed:@"icon_personal"]];

    
    self.iconView.layer.cornerRadius  = 36.0;//设置图片圆角的尺度
    self.iconView.layer.masksToBounds = YES;//没这句话它圆不起来
    self.iconImageView.layer.cornerRadius  = 32.0;//设置图片圆角的尺度
    self.iconImageView.layer.masksToBounds = YES;//没这句话它圆不起来

    self.qRcodeView.layer.borderWidth = 1.0f;
    self.qRcodeView.layer.borderColor = [UIColor lightGrayColor].CGColor;
    
    UIImage *qrcode = [self createNonInterpolatedUIImageFormCIImage:[self createQRForString:[AccountManager sharedAccountManager].f_eliminate] withSize:250.0f];
    self.qRcodeImageView.image = qrcode;
   // NSString usercode = [AccountManager sharedAccountManager].f_usercode;
    
    if(![AccountManager sharedAccountManager].f_usercode){
        [self.codeLable setText:[NSString stringWithFormat:@"我的福利码：%@",[AccountManager sharedAccountManager].f_usercode]];
    }

}

#pragma mark - InterpolatedUIImage
- (UIImage *)createNonInterpolatedUIImageFormCIImage:(CIImage *)image withSize:(CGFloat) size {
    CGRect extent = CGRectIntegral(image.extent);
    CGFloat scale = MIN(size/CGRectGetWidth(extent), size/CGRectGetHeight(extent));
    // create a bitmap image that we'll draw into a bitmap context at the desired size;
    size_t width = CGRectGetWidth(extent) * scale;
    size_t height = CGRectGetHeight(extent) * scale;
    CGColorSpaceRef cs = CGColorSpaceCreateDeviceGray();
    CGContextRef bitmapRef = CGBitmapContextCreate(nil, width, height, 8, 0, cs, (CGBitmapInfo)kCGImageAlphaNone);
    CIContext *context = [CIContext contextWithOptions:nil];
    CGImageRef bitmapImage = [context createCGImage:image fromRect:extent];
    CGContextSetInterpolationQuality(bitmapRef, kCGInterpolationNone);
    CGContextScaleCTM(bitmapRef, scale, scale);
    CGContextDrawImage(bitmapRef, extent, bitmapImage);
    // Create an image with the contents of our bitmap
    CGImageRef scaledImage = CGBitmapContextCreateImage(bitmapRef);
    // Cleanup
    CGContextRelease(bitmapRef);
    CGImageRelease(bitmapImage);
    return [UIImage imageWithCGImage:scaledImage];
}

#pragma mark - QRCodeGenerator
- (CIImage *)createQRForString:(NSString *)qrString {
    // Need to convert the string to a UTF-8 encoded NSData object
    NSData *stringData = [qrString dataUsingEncoding:NSUTF8StringEncoding];
    // Create the filter
    CIFilter *qrFilter = [CIFilter filterWithName:@"CIQRCodeGenerator"];
    // Set the message content and error-correction level
    [qrFilter setValue:stringData forKey:@"inputMessage"];
    [qrFilter setValue:@"M" forKey:@"inputCorrectionLevel"];
    // Send the image back
    return qrFilter.outputImage;
}

#pragma mark - imageToTransparent
void ProviderReleaseData (void *info, const void *data, size_t size){
    free((void*)data);
}
- (UIImage*)imageBlackToTransparent:(UIImage*)image withRed:(CGFloat)red andGreen:(CGFloat)green andBlue:(CGFloat)blue{
    const int imageWidth = image.size.width;
    const int imageHeight = image.size.height;
    size_t      bytesPerRow = imageWidth * 4;
    uint32_t* rgbImageBuf = (uint32_t*)malloc(bytesPerRow * imageHeight);
    // create context
    CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
    CGContextRef context = CGBitmapContextCreate(rgbImageBuf, imageWidth, imageHeight, 8, bytesPerRow, colorSpace,
                                                 kCGBitmapByteOrder32Little | kCGImageAlphaNoneSkipLast);
    CGContextDrawImage(context, CGRectMake(0, 0, imageWidth, imageHeight), image.CGImage);
    // traverse pixe
    int pixelNum = imageWidth * imageHeight;
    uint32_t* pCurPtr = rgbImageBuf;
    for (int i = 0; i < pixelNum; i++, pCurPtr++){
        if ((*pCurPtr & 0xFFFFFF00) < 0x99999900){
            // change color
            uint8_t* ptr = (uint8_t*)pCurPtr;
            ptr[3] = red; //0~255
            ptr[2] = green;
            ptr[1] = blue;
        }else{
            uint8_t* ptr = (uint8_t*)pCurPtr;
            ptr[0] = 0;
        }
    }
    // context to image
    CGDataProviderRef dataProvider = CGDataProviderCreateWithData(NULL, rgbImageBuf, bytesPerRow * imageHeight, ProviderReleaseData);
    CGImageRef imageRef = CGImageCreate(imageWidth, imageHeight, 8, 32, bytesPerRow, colorSpace,
                                        kCGImageAlphaLast | kCGBitmapByteOrder32Little, dataProvider,
                                        NULL, true, kCGRenderingIntentDefault);
    CGDataProviderRelease(dataProvider);
    UIImage* resultUIImage = [UIImage imageWithCGImage:imageRef];
    // release
    CGImageRelease(imageRef);
    CGContextRelease(context);
    CGColorSpaceRelease(colorSpace);
    return resultUIImage;
}
@end
